Sunday
December 8, 2013

# Posts by Erin

Total # Posts: 547

physics
There are two blocks connected by a string and tied to a wall on an incline. The mass of the lower block is 1.0kg; the mass of the upper block is 2.0kg. Given that the angle of the incline is 31*, find the tension in (a) the string connecting the two blocks and (b) the string ...

physics
As you hurry to catch your flight at the airport, you encounter a moving walkway that is 85m long and has a speed of 2.2 m/s relative to the ground. If it takes you 68s to cover 85m when walking on the ground, how long will it take you to cover the same distance on the walkway...

Physics
You shoot an arrow into the air. 2.oo seconds later the arrow has gone straight upward to a height of 30 meters above its launch point. (a) What was the arrow's initial speed? (b) How long did it take for the arrow to first reach a height of 15 meters above it's launch...

physics
An Astronaut on the Moon drops a rock straight downward from a height of 1.25 meters. If the acceleration of gravity on the Moon is 1.62 meters per second squared, what is the speed of the rock just before it lands?

college math
please help me write the equation and solve for it. 1).in a basketball game, eric made half as many free throws as dan. if the total number of free throws made by both men was 18, how many free theows did eric make?

how can granite and slate peices be held together?

no im in 6th writeacher u r rong. i just got done w/ that i will help u in a minute

physics
A helicopter is rising at 5 m/s when a bag is dropped. After 2 seconds what is the bag's velocity? what is the bag's position? and how far below the helicopter is the bag?

college math
write the decimal as a fraction or a mixed number. write your answer in simplest form. .3282 so far i got this, 3282/100,000 then simplified to 1641/50,000

Physics
what is the volume of an object whos density is 2.2 g/cm^3 and has a mass of 50 g?

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